/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.bolt.protocol.common.connection;

class DefaultBoltConnectionMetricsTest {

    //    @Test
    //    void notifyConnectionOpened() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //
    //        verify(metricsMonitor).connectionOpened();
    //    }
    //
    //    @Test
    //    void notifyConnectionClosed() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.stop();
    //        connection.processNextBatch();
    //
    //        verify(metricsMonitor).connectionClosed();
    //    }
    //
    //    @Test
    //    void notifyConnectionClosedOnBoltConnectionAuthFatality() {
    //        verifyConnectionClosed(machine -> {
    //            throw new BoltConnectionAuthFatality("auth failure", new RuntimeException());
    //        });
    //    }
    //
    //    @Test
    //    void notifyConnectionClosedOnBoltProtocolBreachFatality() {
    //        verifyConnectionClosed(machine -> {
    //            throw new BoltProtocolBreachFatality("protocol failure");
    //        });
    //    }
    //
    //    @Test
    //    void notifyConnectionClosedOnUncheckedException() {
    //        verifyConnectionClosed(machine -> {
    //            throw new RuntimeException("unexpected error");
    //        });
    //    }
    //
    //    @Test
    //    void notifyMessageReceived() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.enqueue(machine -> {});
    //
    //        verify(metricsMonitor).messageReceived();
    //    }
    //
    //    @Test
    //    void notifyMessageProcessingStartedAndCompleted() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.enqueue(machine -> {});
    //
    //        connection.processNextBatch();
    //
    //        verify(metricsMonitor).messageProcessingStarted(anyLong());
    //        verify(metricsMonitor).messageProcessingCompleted(anyLong());
    //    }
    //
    //    @Test
    //    void notifyConnectionActivatedAndDeactivated() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.enqueue(machine -> {});
    //
    //        connection.processNextBatch();
    //
    //        verify(metricsMonitor).connectionActivated();
    //        verify(metricsMonitor).connectionWaiting();
    //    }
    //
    //    @Test
    //    void notifyMessageProcessingFailed() {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.enqueue(machine -> {
    //            throw new BoltConnectionAuthFatality("some error", new RuntimeException());
    //        });
    //        connection.processNextBatch();
    //
    //        verify(metricsMonitor).messageProcessingFailed();
    //    }
    //
    //    private static void verifyConnectionClosed(Job throwingJob) {
    //        BoltConnectionMetricsMonitor metricsMonitor = mock(BoltConnectionMetricsMonitor.class);
    //        BoltConnection connection = newConnection(metricsMonitor);
    //
    //        connection.start();
    //        connection.enqueue(throwingJob);
    //        connection.processNextBatch();
    //
    //        verify(metricsMonitor).connectionClosed();
    //    }
    //
    //    private static BoltConnection newConnection(BoltConnectionMetricsMonitor metricsMonitor) {
    //        var channel = BoltChannelFactory.newTestBoltChannel();
    //
    //        return new DefaultBoltConnection(
    //                channel,
    //                mock(StateMachine.class),
    //                NullLogService.getInstance(),
    //                mock(BoltConnectionLifetimeListener.class),
    //                mock(BoltConnectionQueueMonitor.class),
    //                DEFAULT_MAX_BATCH_SIZE,
    //                metricsMonitor,
    //                Clocks.systemClock());
    //    }
}
